Physics - Online Test

Q1. The speed of the center of a wheel rolling on a horizontal surface is vo. A point on the rim in level with the center will be moving at a speed of speed of,
Answer : Option C
Explaination / Solution:
No Explaination.


Q2. If a person moves from Chennai to Trichy, his weight
Answer : Option A
Explaination / Solution:
No Explaination.


Q3. A certain number of spherical drops of a liquid of radius R coalesce to form a single drop of radius R and volume V. If T is the surface tension of the liquid, then
Answer : Option C
Explaination / Solution:
No Explaination.


Q4. Identify the state variables given here?
Answer : Option B
Explaination / Solution:
No Explaination.


Q5. If sP and sV denote the specific heats of nitrogen gas per unit mass at constant pressure and constant volume respectively, then
Answer : Option B
Explaination / Solution:
No Explaination.


Q6. The damping force on an oscillator is directly proportional to the velocity. The units of the constant of proportionality are
Answer : Option C
Explaination / Solution:
No Explaination.


Q7. A man sitting on a swing which is moving to an angle of 60° from the vertical is blowing a whistle which has a frequency of 2.0 k Hz. The whistle is 2.0 m from the fixed support point of the swing. A sound detector which detects the whistle sound is kept in front of the swing. The maximum frequency the sound detector detected is
Answer : Option A
Explaination / Solution:
No Explaination.


Q8. If the force is proportional to square of velocity, then the dimension of proportionality constant is
Answer : Option D
Explaination / Solution:
No Explaination.


Q9. If a particle executes uniform circular motion, choose the correct statement
Answer : Option D
Explaination / Solution:
No Explaination.


Q10. The centrifugal force appears to exist
Answer : Option B
Explaination / Solution:
No Explaination.